Why is the beach sandy? -- Why is the water blue? -- Why is the ocean so cold? -- What makes waves? -- What makes ocean water salty? -- Where do clams live? -- Where do crabs live? -- Why do seashells have different shapes? -- Where does seaweed come from? -- Why is the beach so windy? -- What is a sand dune?
Answers a variety of questions related to the natural history of the seashore, such as what makes waves and why seashells are different shapes